A hospital administrator wants to monitor the quality of service that the patients receive at his hospital. To facilitate this process, 50 patients are asked to complete weekly patient feedback forms. The completed forms typically contain one or more critical complaints about the hospital€™s service. The following table shows the number of critical patient complaints each week for a 15-week duration:

Construct a control chart to monitor patient satisfaction at the hospital using 3σ control limits. Is the process in control?

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Week 10 11 12 3 4 15 8. 13 14 Critical Complaints 10 4 9. 1 12 11 LO